The module handles DC problems in PrestaShop by adding rel=canonical, rel=next/prev or noindex to a wide range of URLS. It also helps generating a more optimized robots.txt file so that it performs optimally. Allso supports hreflang

The products handels paginated content as described in Google webmaster guidelines here: https://webmasters.googleblog.com/2011/09/pagination-with-relnext-and-relprev.html

The categories :

Uses rel next and rel prev between pages then when adding a sorting method, the page will be added a canonical tag point to the page number.

Manufacturers :

Uses rel next and rel prev between pages then when adding a sorting method, the page will be added a canonical tag point to the page number.

Suppliers:

Uses rel next and rel prev between pages then when adding a sorting method, the page will be added a canonical tag point to the page number.

Product pages :

On the product page, there are 2 options, you can use canonical tag to point to it self as the page google must index, but there is also the option put a different product ID as the canonical product, this module will then add a canonical tag pointing of in the second product. This is done by adding a new field to the product mainpage in BO

The following pages will automatically noindex :

Orderopc

Order

Authentication

Search

When using ? Content_only = 1

Password

Price reductions, New Products , Top Sellers :

The 3 points on the front page without sorting and pagination of themselves with canonical tag.

Contact , CMS pages , Shops and sitemap:

Pointing with canonical tag of themselves as being on page search engines to weights.

Hreflang

Adds hreflang to all pages, and allows you to determen a default language.